Here is a New Old Stock Haynes Owners Workshop Manual still in its wrapping for 

Nissan Bluebird 5/1984-3/1986

U11 1.8 DX & 1.8 Maxima Saloon 1809cc

U11 1.8 Turbo, ZX Saloon 1809cc

U11 2,0 GL, SGL Saloon & Estate 1973cc

it does not cover T12 range introduced in 3/1986 models.